The Committee on Public Undertakings is a committee of selected members of parliament, constituted by the Parliament of India, for the purpose of examining the reports and accounts of the public undertakings.

Option 1 suggests there are more members from the Rajya Sabha than the Lok Sabha in the Committee, which is incorrect. The Committee consists of 22 members comprising 15 members from the Lok Sabha, the lower house, and 7 from the Rajya Sabha, the upper house. Hence, the Lok Sabha has more representatives.

Option 2 states the Chairperson of the Committee is appointed by the Speaker of the Lok Sabha. This is correct. The Speaker of the Lok Sabha appoints the Chairperson of the Committee from amongst its members.

Option 3 suggests both statements are correct, which is incorrect as only the second statement is true.

Option 4 implies that neither of the statements is correct, which is also false as the second statement is indeed correct.

Therefore, the correct answer is option 2: "2 only".